https://www.youtube.com/watch?v=VbGfPNA6Y4E
Download tensorflow models from this link https://github.com/tensorflow/models
Clone this repo & copy paste all the files and folder present in this repo to models folder.
Download Faster-RCNN-Inception-V2 model and place that in models folder too.
Run the desired python file. :)